/* ═══════════════════════════════════════════════════════════════
   PRITECH ICT SOLUTIONS — Design System (Final with Modern Animations)
   Mobile-first · Dark/Light mode · Modern UX · Fully Responsive
   ═══════════════════════════════════════════════════════════════ */

/* ── Google Fonts import ─────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:opsz,wght@14..32,300;14..32,400;14..32,500;14..32,600;14..32,700&display=swap');

/* ── Fonts & Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

/* ── CSS Custom Properties (Design Tokens) ──────────────────────── */
:root {
  --font-display: 'Space Grotesk', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  --accent: #0ea5e9;
  --accent-hover: #0284c7;
  --accent-light: #38bdf8;
  --accent-glow: rgba(14, 165, 233, 0.25);
  --accent-subtle: rgba(14, 165, 233, 0.1);
  --accent2: #8b5cf6;
  --accent3: #10b981;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-toast: 400;
  --z-fab: 150;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.12), 0 2px 6px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.18), 0 4px 12px rgba(0,0,0,.1);
  --shadow-glow: 0 0 24px var(--accent-glow);
}

/* ── DARK THEME (default) ─────────────────────────────────────── */
[data-theme="dark"] {
  --bg: #050c14;
  --bg-secondary: #0a1628;
  --bg-card: #0d1b2e;
  --bg-card-hover: #111f38;
  --bg-glass: rgba(13, 27, 46, 0.75);
  --bg-input: #0f1e32;
  --surface: #112040;
  --surface-hover: #162a55;
  --border: rgba(255, 255, 255, 0.07);
  --border-accent: rgba(14, 165, 233, 0.3);
  --text-primary: #e8f4ff;
  --text-secondary: #8ba8c8;
  --text-muted: #4e6a87;
  --nav-bg: rgba(5, 12, 20, 0.85);
  --nav-border: rgba(255,255,255,0.06);
  --hero-grad: linear-gradient(135deg, #050c14 0%, #0a1628 60%, #0f2040 100%);
  --card-grad: linear-gradient(135deg, #0d1b2e 0%, #112040 100%);
  --grid-line: rgba(255,255,255,0.03);
  --footer-bg: #030810;
  --footer-border: rgba(255,255,255,0.05);
  color-scheme: dark;
}

/* ── LIGHT THEME ──────────────────────────────────────────────── */
[data-theme="light"] {
  --bg: #f5f8ff;
  --bg-secondary: #eef2fc;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f5ff;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-input: #f5f8ff;
  --surface: #e8edf8;
  --surface-hover: #dde4f5;
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(14, 165, 233, 0.25);
  --text-primary: #0a1628;
  --text-secondary: #3d5a7a;
  --text-muted: #6b89a8;
  --nav-bg: rgba(245, 248, 255, 0.92);
  --nav-border: rgba(0,0,0,0.07);
  --hero-grad: linear-gradient(135deg, #e8f0ff 0%, #f5f8ff 60%, #eef6ff 100%);
  --card-grad: linear-gradient(135deg, #ffffff 0%, #f5f8ff 100%);
  --grid-line: rgba(0,0,0,0.025);
  --footer-bg: #0a1628;
  --footer-border: rgba(255,255,255,0.08);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,.07), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.09), 0 4px 12px rgba(0,0,0,.05);
  color-scheme: light;
}

/* ── Base Styles ──────────────────────────────────────────────── */
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.65;
  transition: background var(--transition-slow), color var(--transition-slow);
  overflow-x: hidden;
  background-image: 
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: pageFadeIn 0.8s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: var(--space-2) var(--space-4);
  background: var(--accent);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 700;
  z-index: 9999;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: 1rem; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.4rem, 6vw, 5rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 3vw, 1.75rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p { color: var(--text-secondary); }
a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}
a:hover { color: var(--accent-light); }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-5);
}
@media (min-width: 640px) { .container { padding: 0 var(--space-8); } }
@media (min-width: 1024px) { .container { padding: 0 var(--space-10); } }

.section {
  padding: var(--space-16) 0;
}
@media (min-width: 768px) { .section { padding: var(--space-24) 0; } }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.section-header {
  max-width: 640px;
  margin: 0 auto var(--space-12);
  text-align: center;
}
.section-header p { margin-top: var(--space-4); font-size: 1.05rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transform: translate3d(0,0,0);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn:active::after { opacity: 0.12; }
.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.6);
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}
@keyframes rippleAnim {
  to { transform: scale(4); opacity: 0; }
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
  color: white;
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { color: var(--accent); background: var(--accent-subtle); }
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: #25d366;
  color: white !important;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-base);
  margin-top: var(--space-4);
}
.btn-whatsapp:hover { background: #1da851; transform: translateY(-2px); }
.btn-lg { padding: var(--space-4) var(--space-8); font-size: 1rem; }
.btn-sm { padding: var(--space-2) var(--space-4); font-size: 0.875rem; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  position: relative;
  overflow: hidden;
}
.card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 20px 40px rgba(0,0,0,0.2), 0 0 0 2px var(--accent-glow);
  transform: translateY(-4px);
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--card-grad);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.card:hover::before { opacity: 1; }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-accent { background: var(--accent-subtle); color: var(--accent); }
.badge-success { background: rgba(16,185,129,.12); color: var(--success); }
.badge-warning { background: rgba(245,158,11,.12); color: var(--warning); }
.badge-error { background: rgba(239,68,68,.12); color: var(--error); }

/* ── Navbar ───────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}
.site-header.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--nav-border);
  box-shadow: var(--shadow-sm);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-6);
}
.navbar-brand, .footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}
.brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.brand-dot { color: var(--accent); }
.navbar-links {
  display: none;
  list-style: none;
  align-items: center;
  gap: var(--space-1);
}
@media (min-width: 768px) { .navbar-links { display: flex; } }
.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: all 0.2s ease;
  transform: translateX(-50%);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 70%;
}
.nav-link:hover, .nav-link.active {
  color: var(--accent);
  background: var(--accent-subtle);
}
.nav-dropdown { position: relative; }
.nav-dropdown-toggle { display: flex; align-items: center; gap: 6px; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  list-style: none;
  z-index: var(--z-dropdown);
  animation: dropIn 200ms ease forwards;
}
@keyframes dropIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu { display: block; }
.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}
.dropdown-menu a:hover { background: var(--accent-subtle); color: var(--accent); }
.dropdown-divider { height: 1px; background: var(--border); margin: var(--space-2) 0; }

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: calc(var(--z-sticky) + 5);
}

/* ── Theme toggle ───────────────────────────────────────────── */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 1rem;
  -webkit-tap-highlight-color: transparent;
}
.theme-toggle:hover {
  border-color: var(--accent);
  transform: rotate(20deg) scale(1.1);
}
.theme-icon { display: none; }
[data-theme="dark"] .theme-icon--moon { display: block; }
[data-theme="light"] .theme-icon--sun { display: block; }

/* ── Hamburger menu (fixed visibility) ───────────────────────── */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 48px;
  height: 48px;
  padding: 12px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}
.hamburger span {
  display: block;
  height: 2.5px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 3px;
  transition: all var(--transition-base);
  transform-origin: center;
}
[data-theme="light"] .hamburger span {
  background: #0a1628;
}
[data-theme="dark"] .hamburger span {
  background: #e8f4ff;
}
.hamburger:hover {
  background: var(--accent-subtle);
  border-color: var(--accent);
}
.hamburger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.hamburger.open span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}
@media (min-width: 768px) {
  .hamburger {
    display: none;
  }
}

/* ── Mobile menu + safe area ─────────────────────────────────── */
.mobile-menu {
  display: none;
  padding: var(--space-4) var(--space-5);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  animation: slideDown 250ms ease;
  position: relative;
}
.mobile-menu.open { display: block; }
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}
.mobile-close-btn {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: var(--space-2);
  line-height: 1;
  z-index: 2;
}
.mobile-close-btn:hover { color: var(--accent); }
@media (min-width: 768px) { .mobile-close-btn { display: none; } }
.mobile-links { list-style: none; display: flex; flex-direction: column; gap: var(--space-1); }
.mobile-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 1rem;
  transition: all var(--transition-fast);
}
.mobile-link:hover { background: var(--accent-subtle); color: var(--accent); }
.mobile-link--cta {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white !important;
  text-align: center;
  margin-top: var(--space-2);
}
@media (max-width: 767px) {
  .mobile-menu {
    max-height: calc(100dvh - 72px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .mobile-link {
    padding: var(--space-4);
    font-size: 1.1rem;
  }
  .site-header.scrolled .navbar {
    padding-right: env(safe-area-inset-right);
    padding-left: env(safe-area-inset-left);
  }
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  z-index: calc(var(--z-sticky) + 10);
  transition: width 100ms linear;
  border-radius: 0 3px 3px 0;
  filter: drop-shadow(0 0 6px var(--accent-glow));
}

/* ── Hero ─────────────────────────────────────────────────────── */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(72px + var(--space-12)) 0 var(--space-16);
  background: var(--hero-grad);
  background-attachment: fixed;
  background-position: center;
  transition: background-position 0.1s linear;
}
@media (prefers-reduced-motion: reduce) {
  .hero { background-attachment: scroll; }
}
.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,165,233,.15) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  pointer-events: none;
  animation: heroShimmer 15s ease infinite;
}
@keyframes heroShimmer {
  0% { opacity: 0.3; transform: translate(-10%, -10%); }
  50% { opacity: 0.6; transform: translate(10%, 10%); }
  100% { opacity: 0.3; transform: translate(-10%, -10%); }
}
.hero::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,.12) 0%, transparent 70%);
  bottom: -150px;
  left: -150px;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 900px) { .hero-content { grid-template-columns: 1fr 1fr; } }
.hero-text { max-width: 680px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}
.hero-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}
.hero-title {
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-title.typing {
  overflow: hidden;
  border-right: 2px solid var(--accent);
  white-space: nowrap;
  animation: typing 2s steps(30, end), blink-caret 0.75s step-end infinite;
  width: 0;
}
@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}
@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: var(--accent); }
}
@media (max-width: 768px) {
  .hero-title.typing {
    white-space: normal;
    animation: none;
    border-right: none;
  }
}
.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 520px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}
.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
}
.metric {
  display: flex;
  flex-direction: column;
}
.metric-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  transition: all 0.3s ease;
  display: inline-block;
}
.metric-value:hover {
  transform: scale(1.05);
  color: var(--accent);
}
.metric-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.hero-visual { display: none; position: relative; }
@media (min-width: 900px) { .hero-visual { display: block; } }
.hero-dashboard {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  box-shadow: var(--shadow-lg), 0 0 60px var(--accent-glow);
  animation: floatSoft 4s ease-in-out infinite;
}
@keyframes floatSoft {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(0.5deg); }
}
.hero-dash-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.dash-dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.dash-dot:nth-child(1) { background: #ff5f57; }
.dash-dot:nth-child(2) { background: #febc2e; }
.dash-dot:nth-child(3) { background: #28c840; }
.hero-dash-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: auto;
}
.hero-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.hero-stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
}
.hero-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.hero-bar-list { display: flex; flex-direction: column; gap: var(--space-2); }
.hero-bar-item { display: flex; flex-direction: column; gap: 4px; }
.hero-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.hero-bar-track {
  height: 6px;
  background: var(--surface);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.hero-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 1.2s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

/* ── Responsive hero tweaks ───────────────────────────────────── */
@media (max-width: 640px) {
  .hero {
    padding-top: calc(72px + var(--space-8));
    padding-bottom: var(--space-12);
    background-attachment: scroll;
  }
  .hero-title {
    font-size: clamp(1.8rem, 7vw, 2.8rem);
  }
  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: var(--space-6);
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    justify-content: center;
  }
  .hero-metrics {
    gap: var(--space-4);
    margin-top: var(--space-6);
    padding-top: var(--space-6);
  }
  .metric-value {
    font-size: 1.5rem;
  }
  .metric-label {
    font-size: 0.7rem;
  }
  .hero-visual {
    display: none;
  }
}

/* ── Services ─────────────────────────────────────────────────── */
.services { background: var(--bg-secondary); }
.service-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-8);
}
.service-tab {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
}
.service-tab:hover, .service-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 640px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }
.service-icon {
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  font-size: 1.4rem;
  margin-bottom: var(--space-4);
  transition: all var(--transition-base);
}
.service-card:hover .service-icon {
  background: var(--accent);
  transform: scale(1.1) rotate(-5deg);
}
.service-card:hover .service-icon * { filter: invert(1); }
.service-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.service-desc {
  font-size: 0.9rem;
  line-height: 1.6;
}
.service-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-4);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-8px);
  transition: all var(--transition-base);
}
.service-card:hover .service-arrow {
  opacity: 1;
  transform: translateX(0);
}
@media (max-width: 640px) {
  .service-card {
    padding: var(--space-5);
  }
  .service-icon {
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
  }
  .service-name {
    font-size: 1rem;
  }
  .service-desc {
    font-size: 0.85rem;
  }
}

/* ── Portfolio ────────────────────────────────────────────────── */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 640px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .portfolio-grid { grid-template-columns: repeat(3, 1fr); } }
.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  cursor: pointer;
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.2), 0 0 0 2px var(--accent-glow);
}
.project-img-wrap {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-secondary);
  position: relative;
}
.project-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.project-card:hover .project-img-wrap img { transform: scale(1.07); }
.project-img-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--bg-secondary), var(--surface));
}
.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(5,12,20,.9) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: var(--space-4);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-body { padding: var(--space-5); }
.project-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.project-client {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.project-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.project-tech {
  font-size: 0.8rem;
  color: var(--text-muted);
}
@media (max-width: 640px) {
  .project-img-wrap {
    aspect-ratio: 16/9;
  }
  .project-body {
    padding: var(--space-4);
  }
  .project-title {
    font-size: 1rem;
  }
  .project-overlay {
    opacity: 1;
    background: linear-gradient(0deg, rgba(0,0,0,0.7) 0%, transparent 60%);
  }
  .project-overlay .badge {
    font-size: 0.7rem;
    padding: 4px 12px;
  }
}

/* ── About ────────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 900px) { .about-grid { grid-template-columns: 1fr 1fr; } }
.about-img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
}
.about-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.about-img-badge {
  position: absolute;
  bottom: var(--space-5);
  right: var(--space-5);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  text-align: center;
}
.about-img-badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}
.about-img-badge span {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.stats-bento {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
  transition: all var(--transition-base);
}
.stat-card:hover { border-color: var(--border-accent); transform: translateY(-3px); }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  line-height: 1;
  transition: all 0.3s ease;
}
.stat-num:hover { transform: scale(1.05); }
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: var(--space-2);
}

/* ── Contact / Form ───────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1.4fr; } }
.contact-info-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}
.contact-item-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--accent-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
  font-size: 1rem;
}
.contact-item-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-bottom: 2px;
}
.contact-item-value {
  color: var(--text-primary);
  font-weight: 500;
}
.inquiry-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 480px) { .form-row { grid-template-columns: 1fr 1fr; } }
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form-group.form-group--full { grid-column: 1 / -1; }
.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.required-star { color: var(--error); }
.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  -webkit-appearance: none;
}
.form-control:focus {
  outline: none;
  border-color: var(--accent);
  animation: focusGlow 0.3s ease-out;
}
@keyframes focusGlow {
  0% { box-shadow: 0 0 0 0 var(--accent-glow); }
  100% { box-shadow: 0 0 0 3px var(--accent-glow); }
}
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-error { font-size: 0.8rem; color: var(--error); }
.form-hint { font-size: 0.75rem; color: var(--warning); margin-top: 4px; display: block; }
@media (max-width: 640px) {
  .inquiry-form {
    padding: var(--space-5);
  }
  .form-control {
    padding: var(--space-4) var(--space-3);
    font-size: 1rem;
  }
  .btn {
    padding: var(--space-4);
    font-size: 1rem;
  }
  .contact-item-icon {
    width: 40px;
    height: 40px;
  }
}

/* ── Newsletter full-width fix ───────────────────────────────── */
.newsletter-fullwidth {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  margin: var(--space-16) 0;
}
.newsletter-section {
  background: transparent;
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
  max-width: 800px;
  margin: 0 auto;
}
.newsletter-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Ccircle cx='30' cy='30' r='28'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") center/60px;
}
.newsletter-section h2 { color: white; margin-bottom: var(--space-3); }
.newsletter-section p { color: rgba(255,255,255,.8); margin-bottom: var(--space-6); }
.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 440px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
@media (min-width: 480px) { .newsletter-form { flex-direction: row; } }
.newsletter-input {
  flex: 1;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  border: 2px solid rgba(255,255,255,.3);
  background: rgba(255,255,255,.15);
  color: white;
  font-size: 0.95rem;
  backdrop-filter: blur(8px);
  transition: all var(--transition-fast);
}
.newsletter-input::placeholder { color: rgba(255,255,255,.7); }
.newsletter-input:focus {
  outline: none;
  border-color: white;
  background: rgba(255,255,255,.25);
}
.newsletter-btn {
  padding: var(--space-3) var(--space-6);
  background: white;
  color: var(--accent);
  font-weight: 700;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
}
.newsletter-btn:hover { transform: scale(1.05) translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,.2); }

/* ── Footer ───────────────────────────────────────────────────── */
.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--footer-border);
  padding: var(--space-16) 0 var(--space-8);
  color: var(--text-secondary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
@media (min-width: 640px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; } }
.footer-tagline {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: var(--space-4);
  color: #4e6a87;
}
.footer-heading {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #8ba8c8;
  margin-bottom: var(--space-5);
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-links a {
  font-size: 0.9rem;
  color: #4e6a87;
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--accent); }
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-style: normal;
}
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.9rem;
  color: #4e6a87;
  transition: color var(--transition-fast);
}
.footer-contact-item:hover { color: var(--accent); }
.footer-contact-item i { color: var(--accent); font-size: 0.9rem; }
.social-links {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-5);
}
.social-link {
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #4e6a87;
  font-size: 0.85rem;
  transition: all var(--transition-base);
}
.social-link:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  transform: translateY(-3px);
}
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
  text-align: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,.05);
}
@media (min-width: 640px) { .footer-bottom { flex-direction: row; justify-content: space-between; } }
.footer-copy { font-size: 0.85rem; color: #2a3d52; }
.footer-tech { font-size: 0.85rem; color: #2a3d52; }
@media (max-width: 640px) {
  .footer-grid {
    gap: var(--space-8);
  }
  .footer-col {
    text-align: center;
  }
  .footer-contact-item {
    justify-content: center;
  }
  .social-links {
    justify-content: center;
  }
  .footer-links li a {
    display: inline-block;
    padding: var(--space-2) 0;
  }
}

/* ── FAB WhatsApp ─────────────────────────────────────────────── */
.fab-whatsapp {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 56px; height: 56px;
  border-radius: var(--radius-full);
  background: #25d366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  z-index: var(--z-fab);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-spring);
}
.fab-whatsapp:hover {
  transform: scale(1.15);
  color: white;
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}
.fab-pulse {
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  border: 2px solid #25d366;
  animation: pulseRing 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
@keyframes pulseRing {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ── Back to top ──────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  left: var(--space-6);
  width: 44px; height: 44px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: var(--z-fab);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all var(--transition-base);
  font-size: 0.8rem;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }
@media (max-width: 640px) {
  .fab-whatsapp {
    width: 48px;
    height: 48px;
    font-size: 1.3rem;
    bottom: var(--space-4);
    right: var(--space-4);
  }
  .back-to-top {
    width: 40px;
    height: 40px;
    bottom: var(--space-4);
    left: var(--space-4);
  }
}

/* ── Toast notifications ──────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: calc(72px + 1rem);
  right: 1rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  z-index: var(--z-toast);
  max-width: 360px;
  width: calc(100% - 2rem);
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: toastSlide 300ms ease;
}
@keyframes toastSlide {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}
.toast--success { border-color: rgba(16,185,129,.3); }
.toast--error { border-color: rgba(239,68,68,.3); }
.toast--warning { border-color: rgba(245,158,11,.3); }
.toast-body { flex: 1; font-size: 0.9rem; color: var(--text-primary); }
.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1;
  padding: 0;
  transition: color var(--transition-fast);
}
.toast-close:hover { color: var(--text-primary); }
@media (max-width: 640px) {
  .toast-container {
    top: auto;
    bottom: var(--space-4);
    left: var(--space-4);
    right: var(--space-4);
    width: auto;
    max-width: none;
  }
  .toast {
    padding: var(--space-3);
  }
}

/* ── Scroll reveal animations ─────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.9, 0.4, 1.1),
              transform 0.8s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }
.reveal-delay-5 { transition-delay: 500ms; }

/* ── Image lazy load skeleton ─────────────────────────────────── */
img[loading="lazy"] {
  background: linear-gradient(110deg, var(--surface) 8%, var(--surface-hover) 18%, var(--surface) 33%);
  background-size: 200% 100%;
  animation: skeletonPulse 1.5s ease-in-out infinite;
}
@keyframes skeletonPulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
img[loading="lazy"].loaded {
  background: none;
  animation: none;
}

/* ── Reduced motion ──────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-dashboard { animation: none; }
  .hero-bar-fill { transition: none; }
  .theme-toggle:hover { transform: none; }
  .back-to-top, .service-arrow, .project-img-wrap img, .stat-card {
    transition: none !important;
    animation: none !important;
  }
  .hero { background-attachment: scroll; }
  .hero::before { animation: none; }
  .btn .ripple { display: none; }
  .hero-title.typing { animation: none; border-right: none; white-space: normal; }
}

/* ── Scroll indicator (hide on short screens) ────────────────── */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-decoration: none;
  animation: bounce 2s ease infinite;
}
@media (max-height: 600px) {
  .scroll-indicator { display: none; }
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ── Skeleton loading (fallback) ──────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface-hover) 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: skeleton-wave 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}
@keyframes skeleton-wave {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Glassmorphism utility ────────────────────────────────────── */
.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--border);
}

/* ── Utilities ───────────────────────────────────────────────── */
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-auto { margin-top: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

@media print {
  .site-header, .fab-whatsapp, .back-to-top, .scroll-progress { display: none; }
  body { background: white; color: black; }
}